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logsrv_api/test/logsrv_test.exs

@@ -6,3 +6,40 @@ defmodule LogsrvTest do
     assert Logsrv.hello() == :world
   end
 end
+
+defmodule LogsrvTest.Router do
+  # Bringing ExUnit's case module to scope and configure it to run
+  # tests in this module concurrently with tests in other modules
+  # https://hexdocs.pm/ex_unit/ExUnit.Case.html
+  use ExUnit.Case, async: true
+
+  # This makes the conn object avaiable in the scope of the tests,
+  # which can be used to make the HTTP request
+  # https://hexdocs.pm/plug/Plug.Test.html
+  use Plug.Test
+
+  # We call the Plug init/1 function with the options then store
+  # returned options in a Module attribute opts.
+  # Note: @ is module attribute unary operator
+  # https://hexdocs.pm/elixir/main/Kernel.html#@/1
+  # https://hexdocs.pm/plug/Plug.html#c:init/1
+  @opts Logsrv.Router.init([])
+
+
+  # Create a test with the name "return ok"
+  test "return ok" do
+  	# Build a connection which is GET request on / url
+    conn = conn(:get, "/")
+
+    # Then call Plug.call/2 with the connection and options
+    # https://hexdocs.pm/plug/Plug.html#c:call/2
+    conn = Logsrv.Router.call(conn, @opts)
+
+    # Finally we are using the assert/2 function to check for the
+    # correctness of the response
+    # https://hexdocs.pm/ex_unit/ExUnit.Assertions.html#assert/2
+    assert conn.state == :sent
+    assert conn.status == 200
+    assert conn.resp_body == "OK"
+  end
+end